Stainless double tube exhaust manifold
US6082104A · kind A · utility
10Cited by
7References
4Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Aug 7, 1998 |
| Grant date | Jul 4, 2000 |
| Priority date | — |
| Expiry date | Aug 7, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49398
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
An exhaust manifold has inner and outer tubes made of stainless steel and welded to flanges provided at inlet ports of the exhaust manifold, from which exhaust gas discharged from an engine enters the exhaust manifold. The inner tube has flat portions, and shield plates disposed within the inner tube protect the flat portions from being directly vibrated by pressure waves of the exhaust gas. Accordingly, the vibration of the flat portions is lowered, so that high frequency noise from the exhaust manifold is reduced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.